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A use-after-free problem occurs when there are multiple remotes in the list `g_rpmsg` and the matching remote is not the last item in the list. Log # Export the device "/dev/LOCAL_DEV" to remote "REMOTE_CPU" ap> testdev -d 2 -c "REMOTE_CPU" -l "/dev/LOCAL_DEV" [ap] kasan_report: kasan detected a read access error, address at 0x3c3d4740,size is 4, return address: 0x2c33620f [ap] kasan_show_memory: Shadow bytes around the buggy address: [ap] kasan_show_memory: 0x3c3d46f0: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc [ap] kasan_show_memory: 0x3c3d4700: aa aa aa aa cc cc cc cc cc cc cc cc cc cc cc cc [ap] kasan_show_memory: 0x3c3d4710: 40 47 3d 3c ed 61 33 2c 00 00 00 00 00 00 00 00 [ap] kasan_show_memory: 0x3c3d4720: 00 00 00 00 00 00 00 00 00 00 00 00 cc cc cc cc [ap] kasan_show_memory: 0x3c3d4730: 55 55 55 55 38 00 00 00 02 2c 00 00 cc cc cc cc [ap] kasan_show_memory: 0x3c3d4740:[00 00 00 00]66 e0 42 3c cc cc cc cc cc cc cc cc [ap] kasan_show_memory: 0x3c3d4750: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc [ap] kasan_show_memory: 0x3c3d4760: aa aa aa aa 38 00 00 00 01 2c 00 00 cc cc cc cc [ap] kasan_show_memory: 0x3c3d4770: 50 57 44 3d 2f 00 cc cc cc cc cc cc cc cc cc cc [ap] kasan_show_memory: 0x3c3d4780: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc [ap] dump_assert_info: Current Version: NuttX ****** ***** *** 12.3.0 **********-***** *** ** 2024 **:**:** arm [ap] dump_assert_info: Assertion failed panic: at file: kasan/hook.c:187 task: testdev process: testdev 0x2ca20495 $ addr2line -fe nuttx/nuttx 0x2c33620f rpmsgdev_server_created /workspace/nuttx/drivers/misc/rpmsgdev_server.c:529 # Line 529 => strcmp() Signed-off-by: wangjianyu3 <wangjianyu3@xiaomi.com> |
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|---|---|---|
| .. | ||
| 1wire | ||
| analog | ||
| audio | ||
| bch | ||
| can | ||
| clk | ||
| contactless | ||
| coresight | ||
| crypto | ||
| devicetree | ||
| dma | ||
| dummy | ||
| eeprom | ||
| efuse | ||
| i2c | ||
| i2s | ||
| i3c | ||
| input | ||
| ioexpander | ||
| ipcc | ||
| lcd | ||
| leds | ||
| loop | ||
| math | ||
| misc | ||
| mmcsd | ||
| modem | ||
| motor | ||
| mtd | ||
| net | ||
| note | ||
| pci | ||
| pinctrl | ||
| pipes | ||
| power | ||
| rc | ||
| regmap | ||
| reset | ||
| rf | ||
| rmt | ||
| rpmsg | ||
| rptun | ||
| segger | ||
| sensors | ||
| serial | ||
| spi | ||
| syslog | ||
| thermal | ||
| timers | ||
| usbdev | ||
| usbhost | ||
| usbmisc | ||
| usbmonitor | ||
| usrsock | ||
| vhost | ||
| video | ||
| virtio | ||
| wireless | ||
| .gitignore | ||
| CMakeLists.txt | ||
| drivers_initialize.c | ||
| Kconfig | ||
| Makefile | ||